2020021131 has 8 divisors (see below), whose sum is σ = 2750667264. Its totient is φ = 1318027880.

The previous prime is 2020021121. The next prime is 2020021139. The reversal of 2020021131 is 1311200202.

2020021131 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020021131 - 2⁵ = 2020021099 is a prime.

It is a super-2 number, since 2×2020021131² = 8160970739373038322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2020021139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7163055 + ... + 7163336.

It is an arithmetic number, because the mean of its divisors is an integer number (343833408).

Almost surely, 2^2020021131 is an apocalyptic number.

2020021131 is a deficient number, since it is larger than the sum of its proper divisors (730646133).

2020021131 is a wasteful number, since it uses less digits than its factorization.

2020021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14326441.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2020021131 is about 44944.6451871633. The cubic root of 2020021131 is about 1264.1112727426. Note that the first 3 decimals are identical.

Adding to 2020021131 its reverse (1311200202), we get a palindrome (3331221333).

The spelling of 2020021131 in words is "two billion, twenty million, twenty-one thousand, one hundred thirty-one".